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<div id=Content><div class="CClass"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="OpenLayers.Control.Measure"></a>OpenLayers.<wbr>Control.<wbr>Measure</h1><div class=CBody><p>Allows for drawing of features for measurements.</p><h4 class=CHeading>Inherits from</h4><ul><li><a href="../Control-js.html#OpenLayers.Control" class=LClass id=link17 onMouseOver="ShowTip(event, 'tt16', 'link17')" onMouseOut="HideTip('tt16')">OpenLayers.Control</a></li></ul><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SMain"><td class=SEntry><a href="#OpenLayers.Control.Measure" >OpenLayers.<wbr>Control.<wbr>Measure</a></td><td class=SDescription>Allows for drawing of features for measurements.</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#OpenLayers.Control.Measure.Properties" >Properties</a></td><td class=SDescription></td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Measure.events" >events</a></td><td class=SDescription>{<a href="../Events-js.html#OpenLayers.Events" class=LClass >OpenLayers.Events</a>} Events instance for listeners and triggering control specific events.</td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#OpenLayers.Control.Measure.handlerOptions" >handlerOptions</a></td><td class=SDescription>{Object} Used to set non-default properties on the control&rsquo;s handler</td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Measure.callbacks" >callbacks</a></td><td class=SDescription>{Object} The functions that are sent to the handler for callback</td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#OpenLayers.Control.Measure.displaySystem" >displaySystem</a></td><td class=SDescription>{String} Display system for output measurements. </td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Measure.geodesic" >geodesic</a></td><td class=SDescription>{Boolean} Calculate geodesic metrics instead of planar metrics. </td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#OpenLayers.Control.Measure.displaySystemUnits" >displaySystemUnits</a></td><td class=SDescription>{Object} Units for various measurement systems. </td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Measure.delay" >delay</a></td><td class=SDescription>{Number} Number of milliseconds between clicks before the event is considered a double-click. </td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#OpenLayers.Control.Measure.delayedTrigger" >delayedTrigger</a></td><td class=SDescription>{Number} Timeout id of trigger for measurepartial.</td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Measure.persist" >persist</a></td><td class=SDescription>{Boolean} Keep the temporary measurement sketch drawn after the measurement is complete. </td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#OpenLayers.Control.Measure.immediate" >immediate</a></td><td class=SDescription>{Boolean} Activates the immediate measurement so that the &ldquo;measurepartial&rdquo; event is also fired once the measurement sketch is modified. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#OpenLayers.Control.Measure.Constructor" >Constructor</a></td><td class=SDescription></td></tr><tr class="SConstructor SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Measure.OpenLayers.Control.Measure" >OpenLayers.<wbr>Control.<wbr>Measure</a></td><td class=SDescription></td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#OpenLayers.Control.Measure.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Measure.deactivate" id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">deactivate</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.Measure.cancel" id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">cancel</a></td><td class=SDescription>Stop the control from measuring. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Measure.setImmediate" id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">setImmediate</a></td><td class=SDescription>Sets the <a href="#OpenLayers.Control.Measure.immediate" class=LProperty id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">immediate</a> property. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.Measure.updateHandler" id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">updateHandler</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Measure.measureComplete" id=link6 onMouseOver="ShowTip(event, 'tt6', 'link6')" onMouseOut="HideTip('tt6')">measureComplete</a></td><td class=SDescription>Called when the measurement sketch is done.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.Measure.measurePartial" id=link7 onMouseOver="ShowTip(event, 'tt7', 'link7')" onMouseOut="HideTip('tt7')">measurePartial</a></td><td class=SDescription>Called each time a new point is added to the measurement sketch.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Measure.measureImmediate" id=link8 onMouseOver="ShowTip(event, 'tt8', 'link8')" onMouseOut="HideTip('tt8')">measureImmediate</a></td><td class=SDescription>Called each time the measurement sketch is modified.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.Measure.cancelDelay" id=link9 onMouseOver="ShowTip(event, 'tt9', 'link9')" onMouseOut="HideTip('tt9')">cancelDelay</a></td><td class=SDescription>Cancels the delay measurement that measurePartial began.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Measure.measure" id=link10 onMouseOver="ShowTip(event, 'tt10', 'link10')" onMouseOut="HideTip('tt10')">measure</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.Measure.getBestArea" id=link11 onMouseOver="ShowTip(event, 'tt11', 'link11')" onMouseOut="HideTip('tt11')">getBestArea</a></td><td class=SDescription>Based on the <a href="#OpenLayers.Control.Measure.displaySystem" class=LProperty id=link12 onMouseOver="ShowTip(event, 'tt12', 'link12')" onMouseOut="HideTip('tt12')">displaySystem</a> returns the area of a geometry.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Measure.getArea" id=link13 onMouseOver="ShowTip(event, 'tt13', 'link13')" onMouseOut="HideTip('tt13')">getArea</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.Measure.getBestLength" id=link14 onMouseOver="ShowTip(event, 'tt14', 'link14')" onMouseOut="HideTip('tt14')">getBestLength</a></td><td class=SDescription>Based on the <a href="#OpenLayers.Control.Measure.displaySystem" class=LProperty id=link15 onMouseOver="ShowTip(event, 'tt12', 'link15')" onMouseOut="HideTip('tt12')">displaySystem</a> returns the length of a geometry.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Measure.getLength" id=link16 onMouseOver="ShowTip(event, 'tt15', 'link16')" onMouseOut="HideTip('tt15')">getLength</a></td><td class=SDescription></td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>

<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.Properties"></a>Properties</h3></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.events"></a>events</h3><div class=CBody><p>{<a href="../Events-js.html#OpenLayers.Events" class=LClass >OpenLayers.Events</a>} Events instance for listeners and triggering control specific events.</p><h4 class=CHeading>Register a listener for a particular event with the following syntax</h4><blockquote><pre class="prettyprint">control.events.register(type, obj, listener);</pre></blockquote><h4 class=CHeading>Supported event types (in addition to those from <a href="../Control-js.html#OpenLayers.Control.events" class=LProperty id=link18 onMouseOver="ShowTip(event, 'tt17', 'link18')" onMouseOut="HideTip('tt17')">OpenLayers.Control.events</a>)</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>measure</td><td class=CDLDescription>Triggered when a measurement sketch is complete.&nbsp;  Listeners will receive an event with measure, units, order, and geometry properties.</td></tr><tr><td class=CDLEntry>measurepartial</td><td class=CDLDescription>Triggered when a new point is added to the measurement sketch or if the <a href="#OpenLayers.Control.Measure.immediate" class=LProperty id=link19 onMouseOver="ShowTip(event, 'tt4', 'link19')" onMouseOut="HideTip('tt4')">immediate</a> property is true and the measurement sketch is modified.&nbsp;  Listeners receive an event with measure, units, order, and geometry.</td></tr></table></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.handlerOptions"></a>handlerOptions</h3><div class=CBody><p>{Object} Used to set non-default properties on the control&rsquo;s handler</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.callbacks"></a>callbacks</h3><div class=CBody><p>{Object} The functions that are sent to the handler for callback</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.displaySystem"></a>displaySystem</h3><div class=CBody><p>{String} Display system for output measurements.&nbsp;  Supported values are &lsquo;english&rsquo;, &lsquo;metric&rsquo;, and &lsquo;geographic&rsquo;.&nbsp;  Default is &lsquo;metric&rsquo;.</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.geodesic"></a>geodesic</h3><div class=CBody><p>{Boolean} Calculate geodesic metrics instead of planar metrics.&nbsp;  This requires that geometries can be transformed into Geographic/WGS84 (if that is not already the map projection).&nbsp;  Default is false.</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.displaySystemUnits"></a>displaySystemUnits</h3><div class=CBody><p>{Object} Units for various measurement systems.&nbsp;  Values are arrays of unit abbreviations (from OpenLayers.INCHES_PER_UNIT) in decreasing order of length.</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.delay"></a>delay</h3><div class=CBody><p>{Number} Number of milliseconds between clicks before the event is considered a double-click.&nbsp;  The &ldquo;measurepartial&rdquo; event will not be triggered if the sketch is completed within this time.&nbsp;  This is required for IE where creating a browser reflow (if a listener is modifying the DOM by displaying the measurement values) messes with the dblclick listener in the sketch handler.</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.delayedTrigger"></a>delayedTrigger</h3><div class=CBody><p>{Number} Timeout id of trigger for measurepartial.</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.persist"></a>persist</h3><div class=CBody><p>{Boolean} Keep the temporary measurement sketch drawn after the measurement is complete.&nbsp;  The geometry will persist until a new measurement is started, the control is deactivated, or <a href="#OpenLayers.Control.Measure.cancel" class=LFunction id=link20 onMouseOver="ShowTip(event, 'tt2', 'link20')" onMouseOut="HideTip('tt2')">cancel</a> is called.</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.immediate"></a>immediate</h3><div class=CBody><p>{Boolean} Activates the immediate measurement so that the &ldquo;measurepartial&rdquo; event is also fired once the measurement sketch is modified.&nbsp; Default is false.</p></div></div></div>

<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.Constructor"></a>Constructor</h3></div></div>

<div class="CConstructor"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.OpenLayers.Control.Measure"></a>OpenLayers.<wbr>Control.<wbr>Measure</h3><div class=CBody><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>handler</td><td class=CDLDescription>{<a href="../Handler-js.html#OpenLayers.Handler" class=LClass id=link21 onMouseOver="ShowTip(event, 'tt18', 'link21')" onMouseOut="HideTip('tt18')">OpenLayers.Handler</a>}</td></tr><tr><td class=CDLEntry>options</td><td class=CDLDescription>{Object}</td></tr></table></div></div></div>

<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.Functions"></a>Functions</h3></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.deactivate"></a>deactivate</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">deactivate: function()</td></tr></table></blockquote></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.cancel"></a>cancel</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">cancel: function()</td></tr></table></blockquote><p>Stop the control from measuring.&nbsp;  If <a href="#OpenLayers.Control.Measure.persist" class=LProperty id=link22 onMouseOver="ShowTip(event, 'tt19', 'link22')" onMouseOut="HideTip('tt19')">persist</a> is true, the temporary sketch will be erased.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.setImmediate"></a>setImmediate</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>setImmediate: function(</td><td class="PParameter  prettyprint " nowrap>immediate</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets the <a href="#OpenLayers.Control.Measure.immediate" class=LProperty id=link23 onMouseOver="ShowTip(event, 'tt4', 'link23')" onMouseOut="HideTip('tt4')">immediate</a> property.&nbsp; Changes the activity of immediate measurement.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.updateHandler"></a>updateHandler</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>updateHandler: function(</td><td class="PParameter  prettyprint " nowrap>handler,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>options</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>handler</td><td class=CDLDescription>{Function} One of the sketch handler constructors.</td></tr><tr><td class=CDLEntry>options</td><td class=CDLDescription>{Object} Options for the handler.</td></tr></table></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.measureComplete"></a>measureComplete</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>measureComplete: function(</td><td class="PParameter  prettyprint " nowrap>geometry</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Called when the measurement sketch is done.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>geometry</td><td class=CDLDescription>{<a href="../Geometry-js.html#OpenLayers.Geometry" class=LClass id=link24 onMouseOver="ShowTip(event, 'tt20', 'link24')" onMouseOut="HideTip('tt20')">OpenLayers.Geometry</a>}</td></tr></table></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.measurePartial"></a>measurePartial</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>measurePartial: function(</td><td class="PParameter  prettyprint " nowrap>point,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>geometry</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Called each time a new point is added to the measurement sketch.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>point</td><td class=CDLDescription>{<a href="../Geometry/Point-js.html#OpenLayers.Geometry.Point" class=LClass id=link25 onMouseOver="ShowTip(event, 'tt21', 'link25')" onMouseOut="HideTip('tt21')">OpenLayers.Geometry.Point</a>} The last point added.</td></tr><tr><td class=CDLEntry>geometry</td><td class=CDLDescription>{<a href="../Geometry-js.html#OpenLayers.Geometry" class=LClass id=link26 onMouseOver="ShowTip(event, 'tt20', 'link26')" onMouseOut="HideTip('tt20')">OpenLayers.Geometry</a>} The sketch geometry.</td></tr></table></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.measureImmediate"></a>measureImmediate</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>measureImmediate : function(</td><td class="PParameter  prettyprint " nowrap>point,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>feature,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>drawing</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Called each time the measurement sketch is modified.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>point</td><td class=CDLDescription>{<a href="../Geometry/Point-js.html#OpenLayers.Geometry.Point" class=LClass id=link27 onMouseOver="ShowTip(event, 'tt21', 'link27')" onMouseOut="HideTip('tt21')">OpenLayers.Geometry.Point</a>} The point at the mouse position.</td></tr><tr><td class=CDLEntry>feature</td><td class=CDLDescription>{<a href="../Feature/Vector-js.html#OpenLayers.Feature.Vector" class=LClass id=link28 onMouseOver="ShowTip(event, 'tt22', 'link28')" onMouseOut="HideTip('tt22')">OpenLayers.Feature.Vector</a>} The sketch feature.</td></tr><tr><td class=CDLEntry>drawing</td><td class=CDLDescription>{Boolean} Indicates whether we&rsquo;re currently drawing.</td></tr></table></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.cancelDelay"></a>cancelDelay</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">cancelDelay: function()</td></tr></table></blockquote><p>Cancels the delay measurement that measurePartial began.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.measure"></a>measure</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>measure: function(</td><td class="PParameter  prettyprint " nowrap>geometry,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>eventType</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>geometry</td><td class=CDLDescription>{<a href="../Geometry-js.html#OpenLayers.Geometry" class=LClass id=link29 onMouseOver="ShowTip(event, 'tt20', 'link29')" onMouseOut="HideTip('tt20')">OpenLayers.Geometry</a>}</td></tr><tr><td class=CDLEntry>eventType</td><td class=CDLDescription>{String}</td></tr></table></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.getBestArea"></a>getBestArea</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>getBestArea: function(</td><td class="PParameter  prettyprint " nowrap>geometry</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Based on the <a href="#OpenLayers.Control.Measure.displaySystem" class=LProperty id=link30 onMouseOver="ShowTip(event, 'tt12', 'link30')" onMouseOut="HideTip('tt12')">displaySystem</a> returns the area of a geometry.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>geometry</td><td class=CDLDescription>{<a href="../Geometry-js.html#OpenLayers.Geometry" class=LClass id=link31 onMouseOver="ShowTip(event, 'tt20', 'link31')" onMouseOut="HideTip('tt20')">OpenLayers.Geometry</a>}</td></tr></table><h4 class=CHeading>Returns</h4><p>{Array([Float, String])}  Returns a two item array containing the area and the units abbreviation.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.getArea"></a>getArea</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>getArea: function(</td><td class="PParameter  prettyprint " nowrap>geometry,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>units</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>geometry</td><td class=CDLDescription>{<a href="../Geometry-js.html#OpenLayers.Geometry" class=LClass id=link32 onMouseOver="ShowTip(event, 'tt20', 'link32')" onMouseOut="HideTip('tt20')">OpenLayers.Geometry</a>}</td></tr><tr><td class=CDLEntry>units</td><td class=CDLDescription>{String} Unit abbreviation</td></tr></table><h4 class=CHeading>Returns</h4><p>{Float} The geometry area in the given units.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.getBestLength"></a>getBestLength</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>getBestLength: function(</td><td class="PParameter  prettyprint " nowrap>geometry</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Based on the <a href="#OpenLayers.Control.Measure.displaySystem" class=LProperty id=link33 onMouseOver="ShowTip(event, 'tt12', 'link33')" onMouseOut="HideTip('tt12')">displaySystem</a> returns the length of a geometry.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>geometry</td><td class=CDLDescription>{<a href="../Geometry-js.html#OpenLayers.Geometry" class=LClass id=link34 onMouseOver="ShowTip(event, 'tt20', 'link34')" onMouseOut="HideTip('tt20')">OpenLayers.Geometry</a>}</td></tr></table><h4 class=CHeading>Returns</h4><p>{Array([Float, String])}  Returns a two item array containing the length and the units abbreviation.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Measure.getLength"></a>getLength</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>getLength: function(</td><td class="PParameter  prettyprint " nowrap>geometry,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>units</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>geometry</td><td class=CDLDescription>{<a href="../Geometry-js.html#OpenLayers.Geometry" class=LClass id=link35 onMouseOver="ShowTip(event, 'tt20', 'link35')" onMouseOut="HideTip('tt20')">OpenLayers.Geometry</a>}</td></tr><tr><td class=CDLEntry>units</td><td class=CDLDescription>{String} Unit abbreviation</td></tr></table><h4 class=CHeading>Returns</h4><p>{Float} The geometry length in the given units.</p></div></div></div>

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<!--START_ND_TOOLTIPS-->
<div class=CToolTip id="tt1"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">deactivate: function()</td></tr></table></blockquote></div></div><div class=CToolTip id="tt2"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">cancel: function()</td></tr></table></blockquote>Stop the control from measuring. </div></div><div class=CToolTip id="tt3"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>setImmediate: function(</td><td class="PParameter  prettyprint " nowrap>immediate</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Sets the immediate property. </div></div><div class=CToolTip id="tt4"><div class=CProperty>{Boolean} Activates the immediate measurement so that the &ldquo;measurepartial&rdquo; event is also fired once the measurement sketch is modified. </div></div><div class=CToolTip id="tt5"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>updateHandler: function(</td><td class="PParameter  prettyprint " nowrap>handler,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>options</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt6"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>measureComplete: function(</td><td class="PParameter  prettyprint " nowrap>geometry</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Called when the measurement sketch is done.</div></div><div class=CToolTip id="tt7"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>measurePartial: function(</td><td class="PParameter  prettyprint " nowrap>point,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>geometry</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Called each time a new point is added to the measurement sketch.</div></div><div class=CToolTip id="tt8"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>measureImmediate : function(</td><td class="PParameter  prettyprint " nowrap>point,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>feature,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>drawing</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Called each time the measurement sketch is modified.</div></div><div class=CToolTip id="tt9"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">cancelDelay: function()</td></tr></table></blockquote>Cancels the delay measurement that measurePartial began.</div></div><div class=CToolTip id="tt10"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>measure: function(</td><td class="PParameter  prettyprint " nowrap>geometry,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>eventType</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt11"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>getBestArea: function(</td><td class="PParameter  prettyprint " nowrap>geometry</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Based on the displaySystem returns the area of a geometry.</div></div><div class=CToolTip id="tt12"><div class=CProperty>{String} Display system for output measurements. </div></div><div class=CToolTip id="tt13"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>getArea: function(</td><td class="PParameter  prettyprint " nowrap>geometry,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>units</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt14"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>getBestLength: function(</td><td class="PParameter  prettyprint " nowrap>geometry</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Based on the displaySystem returns the length of a geometry.</div></div><div class=CToolTip id="tt15"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>getLength: function(</td><td class="PParameter  prettyprint " nowrap>geometry,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>units</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt16"><div class=CClass>Controls affect the display or behavior of the map. </div></div><div class=CToolTip id="tt17"><div class=CProperty>{OpenLayers.Events} Events instance for listeners and triggering control specific events.</div></div><div class=CToolTip id="tt18"><div class=CClass>Base class to construct a higher-level handler for event sequences. </div></div><div class=CToolTip id="tt19"><div class=CProperty>{Boolean} Keep the temporary measurement sketch drawn after the measurement is complete. </div></div><div class=CToolTip id="tt20"><div class=CClass>A Geometry is a description of a geographic object. </div></div><div class=CToolTip id="tt21"><div class=CClass>Point geometry class.</div></div><div class=CToolTip id="tt22"><div class=CClass>Vector features use the OpenLayers.Geometry classes as geometry description. </div></div><!--END_ND_TOOLTIPS-->




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